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-rw-r--r--support/texlab/src/hover/latex/label.rs118
1 files changed, 0 insertions, 118 deletions
diff --git a/support/texlab/src/hover/latex/label.rs b/support/texlab/src/hover/latex/label.rs
deleted file mode 100644
index 66724d442b..0000000000
--- a/support/texlab/src/hover/latex/label.rs
+++ /dev/null
@@ -1,118 +0,0 @@
-use crate::{
- feature::{DocumentView, FeatureProvider, FeatureRequest},
- outline::{Outline, OutlineContext},
- protocol::{Hover, HoverContents, Position, RangeExt, TextDocumentPositionParams},
- syntax::{latex, LatexLabelKind, SyntaxNode},
- workspace::{Document, DocumentContent},
-};
-use async_trait::async_trait;
-use std::sync::Arc;
-
-#[derive(Debug, PartialEq, Eq, Clone, Copy, Default)]
-pub struct LatexLabelHoverProvider;
-
-#[async_trait]
-impl FeatureProvider for LatexLabelHoverProvider {
- type Params = TextDocumentPositionParams;
- type Output = Option<Hover>;
-
- async fn execute<'a>(&'a self, req: &'a FeatureRequest<Self::Params>) -> Self::Output {
- let table = req.current().content.as_latex()?;
- let reference = Self::find_reference(table, req.params.position)?;
- let (doc, def) = Self::find_definition(&req.view, reference)?;
-
- let snapshot = Arc::clone(&req.view.snapshot);
- let view = DocumentView::analyze(snapshot, doc, &req.options, &req.current_dir);
- let outline = Outline::analyze(&view, &req.options, &req.current_dir);
- let outline_ctx = OutlineContext::parse(&view, &outline, def)?;
- let markup = outline_ctx.documentation();
- Some(Hover {
- contents: HoverContents::Markup(markup),
- range: Some(reference.range()),
- })
- }
-}
-
-impl LatexLabelHoverProvider {
- fn find_reference(table: &latex::SymbolTable, pos: Position) -> Option<&latex::Token> {
- for label in &table.labels {
- let names = label.names(&table);
- if names.len() == 1 && table[label.parent].range().contains(pos) {
- return Some(&label.names(&table)[0]);
- }
-
- for name in &names {
- if name.range().contains(pos) {
- return Some(name);
- }
- }
- }
- None
- }
-
- fn find_definition(
- view: &DocumentView,
- reference: &latex::Token,
- ) -> Option<(Arc<Document>, latex::Label)> {
- for doc in &view.related {
- if let DocumentContent::Latex(table) = &doc.content {
- for label in &table.labels {
- if label.kind == LatexLabelKind::Definition {
- for name in label.names(&table) {
- if name.text() == reference.text() {
- return Some((Arc::clone(&doc), *label));
- }
- }
- }
- }
- }
- }
- None
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
- use crate::{
- feature::FeatureTester,
- protocol::{Range, RangeExt},
- };
-
- #[tokio::test]
- async fn empty_latex_document() {
- let actual_hover = FeatureTester::new()
- .file("main.tex", "")
- .main("main.tex")
- .position(0, 0)
- .test_position(LatexLabelHoverProvider)
- .await;
-
- assert_eq!(actual_hover, None);
- }
-
- #[tokio::test]
- async fn empty_bibtex_document() {
- let actual_hover = FeatureTester::new()
- .file("main.bib", "")
- .main("main.bib")
- .position(0, 0)
- .test_position(LatexLabelHoverProvider)
- .await;
-
- assert_eq!(actual_hover, None);
- }
-
- #[tokio::test]
- async fn section() {
- let actual_hover = FeatureTester::new()
- .file("main.tex", r#"\section{Foo}\label{sec:foo}"#)
- .main("main.tex")
- .position(0, 23)
- .test_position(LatexLabelHoverProvider)
- .await
- .unwrap();
-
- assert_eq!(actual_hover.range.unwrap(), Range::new_simple(0, 20, 0, 27));
- }
-}